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A comment on Writing to the Framebuffer. Parent comment

Re:Writing to the Framebuffer by digi_owl on Wednesday April 04, 2018 @06:34PM (#16759925)
My first thought was to use the sh -c method.
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Re:Writing to the Framebuffer by pwg on Wednesday April 04, 2018 @09:22PM (#16760958)
Or, just use 'su' to become root, then write to the device file.
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Re:Writing to the Framebuffer by rusk on Monday April 09, 2018 @04:45AM (#16791365)
su isn't an option that's available to "regular" users. In particular in an environment where sudo has been set up correctly then it may be for the reason that you want regular users to be able to perform "some" powerful functions without giving them the keys to the system.
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